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Official data from INPI

DISJUNTOR OPERADO MAGNETICAMENTE

Em AnáliseInvention Patent

Application data

Number

PI8505837

Type

Invention Patent

Filing

11/12/1985

Publication

08/12/1986

Progress at the INPI

  1. Filing11/12/85
  2. Publication08/12/86
  3. Examination09/20/88
  4. Allowance01/02/91
  5. Grant08/27/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

C. H. (pessoa física)

US

J. W. (pessoa física)

US

N. T. (pessoa física)

US

Technical data

Priority claims

US

670.792 · 11/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Carta-patente expirada

#21.1

Patente extinta em 12/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/27/1991

RPI 1082

Republicação - classificação IPC

#15.11

07/16/1991

RPI 1076

Notificação para pagamento de retribuição

#13.1

04/16/1991

RPI 1063

Deferimento

#9.1

01/02/1991

RPI 1048

6.2

01/02/1990

RPI 1000

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